public async Task <IActionResult> Add([FromBody] Models.TarjetaCredito tarjeta)
        {
            try
            {
                _context.Add(tarjeta);
                await _context.SaveChangesAsync();

                return(Ok(tarjeta));
            }
            catch (Exception e)
            {
                return(BadRequest(e.Message));
            }
        }
        public async Task <IActionResult> Put(int id, [FromBody] Models.TarjetaCredito tarjeta)
        {
            try
            {
                if (id != tarjeta.Id)
                {
                    return(NotFound());
                }
                else
                {
                    _context.Update(tarjeta);
                    await _context.SaveChangesAsync();

                    return(Ok(new { message = "La tarjeta a sido actualizada" }));
                }
            }
            catch (Exception e)
            {
                return(BadRequest(e.Message));
            }
        }